document.write( "Question 1021157: A board 1.2 m long is cut into two so that the length of the longer piece is 15cm longer than twice the length of the shorter piece . How long is the shorter piece?
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Algebra.Com's Answer #636910 by Cromlix(4381) You can put this solution on YOUR website! Hi there, \n" ); document.write( "Make the shorter piece = 'x' \n" ); document.write( "longer piece = 15 + 2x \n" ); document.write( "x + (15 + 2x) = 120 cm \n" ); document.write( "x + 15 + 2x = 120 \n" ); document.write( "collect like terms \n" ); document.write( "x + 2x = 120 - 15 \n" ); document.write( "3x = 105 \n" ); document.write( "x = 35 cm \n" ); document.write( "Shorter piece = 35 cm \n" ); document.write( "Longer piece = 85 cm \n" ); document.write( "Hope this helps :-) \n" ); document.write( " |